1KFK

Crystal structure of Tryptophan Synthase From Salmonella Typhimurium

Structural Biology Knowledgebase: 1KFK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.183

Literature

Macromolecules
Sequence Display for 1KFK

Classification: LYASE

Total Structure Weight: 71886.41

Macromolecule Entities
Molecule Chains Length Organism Details
TRYPTOPHAN SYNTHASE ALPHA CHAIN A 268 Salmonella enterica EC#: 4.2.1.20 IUBMB
Gene Name(s): trpA STM1727
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
TRYPTOPHAN SYNTHASE BETA CHAIN B 397 Salmonella enterica EC#: 4.2.1.20 IUBMB
Gene Name(s): trpB STM1726
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PLP
Query on PLP

B PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate (Synonym)
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

B SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.225
  • R-Value Work: 0.183
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 183.32 α = 90.00
b = 59.36 β = 94.53
c = 67.41 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-11-21
  • Released Date: 2003-10-21
  • Deposition author(s): Kulik, V., Weyand, M., Seidel, R., Niks, D., Arac, D., Dunn, M.F., Schlichting, I.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Source and taxonomy | Details: Removed strain from scientific name